Vulnerability · Published Jun 2, 2023 · Assigned by mozilla

CVE-2023-32206

Medium 6.5

In plain English

A medium-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.7%top 46.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An out-of-bound read could have led to a crash in the RLBox Expat driver. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8firefox102.11.0-2.el8_7.almaALSA-2023:3220
AlmaLinux:9firefox102.11.0-2.el9_2.almaALSA-2023:3143
AlmaLinux:9firefox-x11102.11.0-2.el9_2.almaALSA-2023:3143
AlmaLinux:8thunderbird102.11.0-1.el8_7.almaALSA-2023:3221
AlmaLinux:9thunderbird102.11.0-1.el9_2.almaALSA-2023:3150
Alpine:v3.20firefox-esr102.11.0-r0ALPINE-CVE-2023-32206
Alpine:v3.21firefox-esr102.11.0-r0ALPINE-CVE-2023-32206
Alpine:v3.22firefox-esr102.11.0-r0ALPINE-CVE-2023-32206
Alpine:v3.23firefox-esr102.11.0-r0ALPINE-CVE-2023-32206
Debian:12firefox-esr102.11.0esr-1DEBIAN-CVE-2023-32206
Debian:13firefox-esr102.11.0esr-1DEBIAN-CVE-2023-32206
Debian:14firefox-esr102.11.0esr-1DEBIAN-CVE-2023-32206
Debian:12thunderbird1:102.11.0-1DEBIAN-CVE-2023-32206
Debian:13thunderbird1:102.11.0-1DEBIAN-CVE-2023-32206
Debian:14thunderbird1:102.11.0-1DEBIAN-CVE-2023-32206
Rocky Linux:8firefox0:102.11.0-2.el8_7RLSA-2023:3220
Rocky Linux:8thunderbird0:102.11.0-1.el8_7RLSA-2023:3221
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2023-32206
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2023-32206
Ubuntu:22.04:LTSthunderbird1:102.11.0+build1-0ubuntu0.22.04.1UBUNTU-CVE-2023-32206
Ubuntu:22.04:LTSthunderbird1:102.11.0+build1-0ubuntu0.22.04.1USN-6075-1

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 113
Mozilla Firefox ESR unspecified – before 102.11
Mozilla Thunderbird unspecified – before 102.11

References